Air cleaner



FIG. 1 is a front elevational view of the design for an air cleaner in accordance with the present invention;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a perspective view thereof on a reduced scale;

FIG. 8 is a front elevational view of a second embodiment of the design for an air cleaner in accordance with the present invention;

FIG. 9 is a rear elevational view of the second embodiment shown;

FIG. 10 is a top plan view of the second embodiment shown;

FIG. 11 is a bottom view of the second embodiment shown;

FIG. 12 is a right side elevational view of the second embodiment shown;

FIG. 13 is a left side elevational view of the second embodiment shown; and,

FIG. 14 is a perspective view of the second embodiment, shown on a reduced scale. 

The ornamental design for an air cleaner, as shown and described. 